Home / 7,339.92-11,011.77-4,223.49

Finding the Fourth Proportional to 7,339.92, 11,011.77 and 4,223.49

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Solution

The fourth proportional to 7,339.92, 11,011.77 and 4,223.49 is: 6,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.92 : 11,011.77 = 4,223.49 : x
  2. Step 2: Convert to fraction form
    7,339.92/11,011.77 = 4,223.49/x
  3. Step 3: Cross multiply
    7,339.92x = 11,011.77 × 4,223.49
  4. Step 4: Simplify right side
    7,339.92x = 46,508,100.48
  5. Step 5: Solve for x
    x = 46,508,100.48/7,339.92
  6. Step 6: Final answer
    x = 6,336.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.